AWS-focused Software Engineer with Node.js and APIs

Supraja Kothalanka

Software Engineer +1-913-***-**** *******.***********@*****.*** LINKEDIN

Professional Summary

•AWS-focused Software Engineer with hands-on experience in building event-driven architectures, developing Node.js-based Lambda functions, and designing scalable APIs using API Gateway. Strong background in production monitoring, log analysis, dashboard creation, and Agile collaboration.

•Experienced in YAML-based configuration management, code reviews, API testing using Postman, and maintaining CI/CD pipelines. Passionate about building resilient, observable, and scalable cloud-native systems aligned with modern DevOps practices.

•Currently contributing to Citi Bank’s Bot Builder project, designing and developing intelligent conversational AI workflows and automating customer service interactions.

•Proven ability to troubleshoot production issues using logs/monitoring tools, perform root cause analysis, and improve performance and reliability. Passionate about clean code, design patterns, and building reusable, maintainable enterprise applications.

•Integrated and optimized back-end services using NodeJs, SQL and MongoDB, ensuring seamless communication between client and server systems.

•Collaborated and problem-solved within Agile/Scrum teams, demonstrating adaptability, accountability, and a continuous learning mindset to deliver high-quality digital solutions.

•Passionate about clean code, design patterns, and scalable architectures, with a proven track record of optimizing performance, reducing costs, and improving user engagement.

Technical Skills

Programming Languages

Java, JavaScript, Python

API’s & Integrations

Spring Boot, Microservices, JSON, REST APIs

Web Frameworks

React, Angular, TypeScript, jQuery, Node.js, PHP

Core Tech Skills

Kafka, MQ (conceptual & implementation exposure), Dynatrace (log analysis, dashboards),Performance tuning & logging (Splunk),RCS

Database

SQL (MySQL, Oracle), MongoDB

Cloud & CI/CD Tools

AWS Lambda, API Gateway, Event-Driven Architecture, EC2, S3, Docker, Kubernetes, Terraform, GitHub, Jenkins, Jira

Testing & Debugging

Postman, Unit testing, integration testing, logging & Analysis, code reviews, Refactoring

Professional Skills

Ownership & Accountability, Time Management, Secure Coding,Production Support,Debugging, Agile/Scrum

Work Experience

Client: CITI Bank, Texas Aug 2025 - Present

Contractor:NTT Data

IVR Chatbot / Java Microserices Developer

•Developed and enhanced enterprise automation workflows using Java, supporting scalable customer service systems in a banking environment.

•Designed and integrated backend services using REST APIs, JSON/XML, and secure API patterns to enable high-throughput transactions.

•Created and maintained REST APIs integrated with API Gateway to enable secure internal and external communication.

•Supported production environments (DIT, UAT, PROD) by monitoring logs and troubleshooting incidents to maintain system reliability.Performed root cause analysis (RCA) on application failures and implemented preventive fixes.

•Collaborated in Agile/Scrum teams, participated in sprint planning, daily standups, and delivered features on schedule with clear status reporting. Performed debugging and issue resolution by analyzing application logs and failures, supporting production stability and faster turnaround time.

•Managed user stories and sprint tasks using Jira boards in Agile delivery environments.Maintained source code using Git/GitLab with structured branching and merge request reviews.

•Implemented backend functionality to fetch EAP logs from MongoDB Compass, enabling centralized log monitoring and finding issues for ongoing improvements.

Client: Community Dreams Foundation, Florida (Remote) Mar 2025 - Sep 2025

Software Engineer

•Directed end-to-end user research and data collection for the project dashboard and client requirements, converting raw inputs into actionable datasets and improving documentation accuracy by 80%.

•Implemented event-driven integration concepts and improved service communication reliability using asynchronous processing patterns.

•Executed front-end development of a CRM module with React, streamlining client relationship management and enhancing data visibility.

•Performed API testing using Postman and validated edge-case scenarios.

•Authored detailed bug reports and solution proposals, accelerating defect resolution cycles and improving release stability and reliability.

Client: IBM Pvt Ltd., India Oct 2021 - Nov 2022

Java Fullstack Developer

•Engineered enterprise applications using Java and React, driving a 50% boost in system efficiency and a 30% improvement in data processing speed through optimized services.

•Implemented Kafka-based asynchronous communication to improve system scalability and resilience.

•Worked with CI/CD pipelines (Jenkins, Maven, Git) to automate build, test, and deployment processes.

•Deployed applications on AWS (EC2, S3, Lambda) improving scalability and uptime.Containerized applications using Docker and supported Kubernetes-based deployments.

•Enhanced cross-platform expertise by proactively learning React, enabling cleaner code optimization and improved front-end performance for new feature rollouts.

•Participated in code reviews, defect fixes, and performance troubleshooting using logs and monitoring tools to ensure system reliability.

Education

University of Central Missouri, Kansas City, MO Jan 2023 - Dec 2024

Master of Science (M.S) in Computer Science

Sri Padmavathi Mahila Visvavidyalayam, Tirupati, India Jul 2017 - Jul 2021

Bachelor of Technology (B.Tech) in Computer Science Engineering

Projects

Cloud Infrastructure Automation Project

Java, Spring Boot, MongoDB, React, RESTful APIs, Docker, Jenkins, AWS

•Built a cloud-based application on AWS using EC2 and S3.

•Containerized the application using Docker and deployed in a Kubernetes environment.

•Implemented basic CI/CD pipeline for automated build and deployment.

•Configured logging and monitoring to observe system performance.

Sakhi – Mood-Based Music Recommendation System

Machine Learning, Image Recognition

•Built a mood-based music recommendation system that detects facial expressions and suggests songs based on emotions.

•Used Haar Cascade Algorithm and a pre-trained emotion recognition model, achieving up to 95% accuracy in detecting moods like happiness, sadness, anger, fear, and surprise.

Certification

•Oracle Certified Associate, Java SE 8 programmer.

•AWS Cloud Practioner Certificate.

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